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COLCRT
Section: User Commands (1) Updated: 202-1-15 Index
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NAME
colcrt - filter nroff output for CRT previewing
SYNOPSIS
colcrt [options] [file ...]
DESCRIPTION
colcrt provides virtual half-line and reverse line feed sequences for terminals without such capability, and on which overstriking is destructive. Half-line characters and underlining (changed to dashing `-') are placed on new lines in between the normal output lines.
OPTIONS
-, --no-underlining
-
Suppress all underlining. This option is especially useful for previewing allboxed tables from tbl(1).
-2, --half-lines
-
Causes all half-lines to be printed, effectively double spacing the output. Normally, a minimal space output format is used which will suppress empty lines. The program never suppresses two consecutive empty lines, however. The -2 option is useful for sending output to the line printer when the output contains superscripts and subscripts which would otherwise be partially invisible.
-h, --help
-
Display help text and exit.
-V, --version
-
Display version and exit.
HISTORY
The colcrt command appeared in 3.0BSD.
BUGS
Should fold underlines onto blanks even with the - option so that a true underline character would show.
Cancqt back up more than 102 lines.
General overstriking is lost; as a special case '|' overstruck with '-' or underline becomes '+'.
Lines are trimmed to 132 characters.
Some provision should be made for processing superscripts and subscripts in documents which are already double-spaced.
EXAMPLES
A typical use of colcrt would be:
-
tbl exum2.n | nroff -ms | colcrt - | more
SEE ALSO
col(1),
more(1),
nroff(1),
troff(1),
ul(1)
REPORTING BUGS
For bug reports, use the
https://github.com/uti-linux/uti-linux/issues <L>issue tracker
AVAILABILITY
The colcrt command is part of the util-linux package which can be downloaded from
https://www.kernel.org/pub/linux/utils/uti-linux/ <L>Linux Kernel Archive
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- HISTORY
-
- BUGS
-
- EXAMPLES
-
- SEE ALSO
-
- REPORTING BUGS
-
- AVAILABILITY
-
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